using CheckBoxFor

Question

I am having a class Role as follows;

public enum Role
{                                            
    User1 = 1,
    User2 = 2,
    User3 = 3, 
    User4 = 4
}

I have the following codes in my model

public Role[] UserRoles { get; set; }
 User user = User.Load(1);
        UserRoles = user.Roles;

My question is as follows: I want to have a checkbox for each Role and if Role == userRoles, the checkbox is true else false. How can I use @HTml.CheckboxFor...Can I have an example please.

possible duplicate of Difficulty in filling list while comparing arrays — Nick Larsen
– Nick Larsen, Commented Jan 26, 2011 at 13:21

Omu · Accepted Answer · 2011-01-26 12:35:20Z

4

to use the CheckBoxFor you need a ViewModel with bool properties

public class YourVM
{                                            
  public bool[] Roles {get;set;}
}

and in the view

@model YourVM

@for (int i = 0; i < Model.Roles.Count(); i++) {
@Html.CheckBoxFor(m => m.Roles[i])
}

edited Jan 26, 2011 at 12:35

answered Jan 26, 2011 at 11:44

Omu

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8 Comments

learning Over a year ago

Isn`t there any more elegant way of doing this? I rather want it to be dynamic and not hard coded

Omu Over a year ago

@user281180 if you want to use the strongly typed CheckBoxFor you need a viewmodel with bool properties

learning Over a year ago

any other means of achieveing the above using a more elegant method? I might not be using CheckBoxFor?

Omu Over a year ago

@user281180 do you try to achieve something like here? : mrgsp.md:8080/awesome/user (click on edit after on the button near roles)

learning Over a year ago

Not really, I want to display all the Roles and if UserRoles contains any ofthe Role, the checkbox is checked

|

Community · Accepted Answer · 2017-05-23 12:26:57Z

2

You're going to come unstuck with hard-coded values if you are trying to create a checkbox list based on data from a DB.

You could try something like my CheckBoxListFor<> Extension:

How to create a CheckBoxListFor extension method in ASP.NET MVC?

edited May 23, 2017 at 12:26

CommunityBot

11 silver badge

answered Jan 26, 2011 at 11:50

Rob

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Comments

Community · Accepted Answer · 2017-05-23 12:18:41Z

0

I answered this and your other question, on your other question. There is no reason to make multiple questions for the same problem, you can edit your own questions.

Difficulty in filling list while comparing arrays

edited May 23, 2017 at 12:18

CommunityBot

11 silver badge

answered Jan 26, 2011 at 13:20

Nick Larsen

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